Lean red meats, including beef, pork and lamb, can play an important part in a healthy balanced diet as they have a high nutrient density. This means that they contain a wide variety of nutrients in a relatively small amount of food.Meat is a major source of protein.
The olfactory epithelium is a specialized epithelial tissue inside the nasal cavity that is involved in smell. In humans, it measures about 9 cm 2 (3 centimeters by 3 centimeters) and lies on the roof of the nasal cavity about 7 cm above and behind the nostrils.
Olfactory Organ. the organ in man and animals that receives chemical stimuli that are interpreted as smells. The sense of smell is technically known as olfaction.In man the olfactory organ is the superoposterior area of the nasal cavity, including part of the nasal septum and the two turbinate bones, which protrude from the lateral walls of the cavity.The entire olfactory organ is covered by the olfactory epithelium, whose surface area is about 5 cm 2.he spindle-shaped olfactory receptor cells, which are located in the olfactory organs, are the functional units of the olfactory apparatus.